I think this is an interesting take on the theme and enjoyed playing it! I didn't seem to be able to pick up the health but otherwise it worked like expected.
I wish that there had been time for you to make more interesting characters, do you need help with that? I've been using zbrush making characters and would prefer to work on 3d games (this time I worked with dev on 2d concept but not my thing, really). DM me if interested.